//
//  main.m
//  OC三大特性
//
//  Created by hyl on 16/3/28.
//  Copyright © 2016年 hyl. All rights reserved.
//

#import <Foundation/Foundation.h>
#import "Dog.h"
#import "Person.h"
int main(int argc, const char * argv[]) {
    //Person *p=[[Person alloc]init];
    //[p f];
    [Person feed:[[Dog alloc]init]];
    return 0;
}
